Microscope: Just Say No to Denial, Part 5

For all the proofs of human-propelled climate change — melting ice caps, birds that have shifted their ranges, and record warm temperatures — there are still people out there who can’t see the danger for the trees…

The forests of Earth are caught between a tinder box and a dry place, and some of the planet’s most venerable organisms are doing all they can to beat the heat.

In this installment of “Microscope: Just Say No to Climate Change, Part 5,” Dr. Craig Allen — world-renowned ecologist and US Geological Survey scientist — offers up straight talk on climate change that is part introductory botany class, part world geography course, and every bit a lesson in “futures.”